685650074 has 16 divisors (see below), whose sum is σ = 1119938400. Its totient is φ = 313581744.

The previous prime is 685650073. The next prime is 685650089. The reversal of 685650074 is 470056586.

It is not an unprimeable number, because it can be changed into a prime (685650073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309992 + ... + 312195.

It is an arithmetic number, because the mean of its divisors is an integer number (69996150).

Almost surely, 2^685650074 is an apocalyptic number.

685650074 is a deficient number, since it is larger than the sum of its proper divisors (434288326).

685650074 is a wasteful number, since it uses less digits than its factorization.

685650074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622237.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 685650074 is about 26184.9207369432. The cubic root of 685650074 is about 881.7947505325.

The spelling of 685650074 in words is "six hundred eighty-five million, six hundred fifty thousand, seventy-four".